Robert Kirkman doesn't think much of those college courses about The Walking Dead.

Talking to Conan O'Brien, Kirkman described studying his comic and hit show as "flattering but stupid", and doesn't quite understand why anyone would want to do it.

"I just feel like it's a waste of parents' money. People get a lot of student debt, if 15% of that debt is for a Walking Dead class, I'm not going to feel good about that. I just feel it's a waste of time," he explained.

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"Maybe you're getting something out of it, I don't know what that would be."

Kirkman went on to joke that if he were getting "a piece" from the courses, it'd be a completely different story: "Then, educational value alone, is monumental. If I can start an actual Walking Dead college, now we're talking."

"We wanted to give you a sense that The Walking Dead takes place in a universe where zombie fiction doesn't exist. No one inside The Walking Dead has seen a [George Romero] movie, so they can't get the rules from that," Kirkman outlined.

Makes sense to us.

The Walking Dead airs its season seven midseason finale 'Hearts Still Beating' this Sunday in the US and Monday in the UK on Fox.

Prepare for the surprise sight of a cleanly shaven Negan and, in all likelihood, at least one bloody death.